Chọn đáp án đúng nhất

V. Chọn đáp án đúng nhất a, b, c hoặc d. (Choose the best answer a, b, c or d.)

1. They don’t want to withdraw more money unless they _______.

a. had to                      b. have to                    c. should                      d. can

2. Cars _______ park in front of the entrance.

a. mustn’t                    b. must                        c. have to                     d. should

3. You _______ wear shorts in a pagoda.

a. should                      b. must                        c. don’t have to           d. shouldn’t

4. I don’t think we _______ keep the man without reason.

a. must                         b. don’t have to           c. should                      d. have to

5. You _______ follow the instructions exactly, or you can’t just jump a step ahead.

a. have to                     b. can                           c. mustn’t                    d. don’t have to

6. Eric _______ meet us tomorrow. He must work.

a. should                      b. could                       c. has to                       d. can’t

7. You _______ touch that switch. It’s very dangerous.

a. must                         b. mustn’t                    c. should                      d. can

8. I _______ get up early tomorrow. I have lots to do.

a. shouldn’t                 b. mustn’t                    c. must                         d. could

9. You _______ talk to her about anything - she’s very open-minded.

a. can                           b. couldn’t                   c. have to                     d. shouldn’t

10. We could use paper cups, so we _______ wash anything.

a. shouldn’t                 b. must                        c. can’t                        d. don’t have to